diff --git a/pkg/core/transaction/invocation.go b/pkg/core/transaction/invocation.go
index a0d82cb58..f303ddf16 100644
--- a/pkg/core/transaction/invocation.go
+++ b/pkg/core/transaction/invocation.go
@@ -17,12 +17,13 @@ type InvocationTX struct {
 }
 
 // NewInvocationTX returns a new invocation transaction.
-func NewInvocationTX(script []byte) *Transaction {
+func NewInvocationTX(script []byte, gas util.Fixed8) *Transaction {
 	return &Transaction{
 		Type:    InvocationType,
 		Version: 1,
 		Data: &InvocationTX{
 			Script:  script,
+			Gas:     gas,
 			Version: 1,
 		},
 		Attributes: []*Attribute{},
diff --git a/pkg/core/transaction/transaction_test.go b/pkg/core/transaction/transaction_test.go
index 4d5ef35ac..45fc7bb0a 100644
--- a/pkg/core/transaction/transaction_test.go
+++ b/pkg/core/transaction/transaction_test.go
@@ -98,7 +98,7 @@ func TestDecodeEncodeInvocationTX(t *testing.T) {
 
 func TestNewInvocationTX(t *testing.T) {
 	script := []byte{0x51}
-	tx := NewInvocationTX(script)
+	tx := NewInvocationTX(script, 1)
 	txData := tx.Data.(*InvocationTX)
 	assert.Equal(t, InvocationType, tx.Type)
 	assert.Equal(t, tx.Version, txData.Version)